package com.demo.mantis.service;

import com.demo.mantis.model.Book;

import cn.techarts.whale.Bind;

@Bind(target = CalculatorServiceImpl.class)
public interface CalculatorService {
	public float plus(float x,float y);
	public float subtract(float x,float y);
	public float multiply(float x,float y);
	public float divide(float x,float y);

}
